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Huntington's disease (HD) is a genetic disorder that causes nerve cells in the brain to progressively break down and die over time. Learn about the symptoms, causes, and inheritance of this complex neurodegenerative disease.
In this video, we cover:
An overview of HD: We explain what happens to the brain in this progressive condition that affects movement, cognitive function, and mental health.
The characteristic symptoms: We detail the involuntary jerking or writhing movements known as chorea, along with other motor, cognitive, and psychiatric changes.
The genetic cause: We discuss the faulty huntingtin (HTT) gene and the expansion of a CAG trinucleotide repeat that leads to the production of an abnormal protein.
Inheritance and testing: We clarify the autosomal dominant inheritance pattern, where a child of an affected parent has a 50% chance of inheriting the gene. We also touch upon the process and ethical considerations of genetic testing.
Disease progression: We explain how HD symptoms typically manifest in adulthood but can sometimes appear in childhood (juvenile HD), and how the disease progresses in severity over time.
Management and research: We highlight that while there is currently no cure, treatments are available to manage symptoms and improve quality of life. We also discuss promising research toward slowing, preventing, or even curing the disease.
Disclaimer: The information provided in this video is for educational purposes only and is not a substitute for professional medical advice. Always consult with a qualified healthcare provider for diagnosis and treatment.
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